FNUS75 KBOU 312307 FWSBOU SPOT FORECAST FOR HALL PA4 UNIT 5 STAND 3...COUNTY NATIONAL WEATHER SERVICE DENVER CO 406 PM MST MON JAN 31 2011 IF CONDITIONS BECOME UNREPRESENTATIVE...CONTACT THE NATIONAL WEATHER SERVICE. .DISCUSSION...COLD ARCTIC AIR WILL CONTINUE MOVING INTO THE REGION THROUGH TUESDAY. UPSLOPE COULDS AND LIGHT SNOWFALL WILL ALSO CONTINUE INTO THE AFTERNOON. STRONG SURFACE HIGH PRESSURE OVER THE NORTHERN PLAINS WILL PRODUCE EAST TO NORTHEAST WINDS ACROSS NORTHEAST COLORADO AND INTO THE FOOTHILLS. AN UPPER LEVEL TROUGH LINGERING OVER THE REGION WILL KEEP THE AIRMASS SLIGHTLY UNSTABLE ABOVE THE STABLE LOW LEVEL AIRMASS. ...THUNDERSTORMS IMPLY STRONG...GUSTY AND ERRATIC WINDS... .TONIGHT... SKY/WEATHER.........CLOUDY. SNOW UNTIL 2300...THEN SNOW LIKELY UNTIL 0500...THEN CHANCE OF SNOW. MIN TEMPERATURE.....-10 TO -14. MAX HUMIDITY........100%. 20-FOOT WINDS.......NORTHEAST WINDS 4-8 MPH. TRANSPORT WINDS.....NORTHEAST 5-10 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 2300...THEN 1000 FT AGL UNTIL 0100...THEN BELOW 1000 FT AGL UNTIL 0400...THEN 1000 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .TUESDAY... SKY/WEATHER.........CLOUDY. CHANCE OF SNOW. MAX TEMPERATURE.....2 BELOW ZERO TO 2 ABOVE. MIN HUMIDITY........68-74%. 20-FOOT WINDS.......NORTHEAST WINDS 7-13 MPH. TRANSPORT WINDS.....NORTHEAST 5-10 MPH. MIXING HEIGHT.......2800-3800 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .TUESDAY NIGHT... SKY/WEATHER.........MOSTLY CLOUDY. CHANCE OF SNOW UNTIL 2300. MIN TEMPERATURE.....-22 TO -18. MAX HUMIDITY........100%. 20-FOOT WINDS.......EAST WINDS 5-10 MPH UNTIL 2400...THEN DOWNSLOPE/DOWNVALLEY 2-8 MPH UNTIL 0300...THEN WEST 5-10 MPH. TRANSPORT WINDS.....EAST AROUND 5 MPH UNTIL 2400...THEN SOUTHWEST. MIXING HEIGHT.......2000-2800 FT AGL UNTIL 2000. BELOW 1000 FT AGL AFTER 2300. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .WEDNESDAY... SKY/WEATHER.........PARTLY CLOUDY(30-40%) UNTIL 1200...THEN MOSTLY SUNNY. MAX TEMPERATURE.....6 TO 10. MIN HUMIDITY........42-50%. 20-FOOT WINDS.......WEST WINDS 5-10 MPH UNTIL 0900...THEN UPSLOPE/UPVALLEY 4-10 MPH. TRANSPORT WINDS.....WEST 5 MPH UNTIL 1200...THEN NORTHWEST 4-8 MPH. MIXING HEIGHT.......BELOW 1000 FT AGL UNTIL 0700...THEN 2200-3200 FT AGL. SMOKE DISPERSAL.....POOR. HAINES INDEX........2 VERY LOW. .FORECAST DAYS 3 THROUGH 5... .THURSDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER 1800. NOT AS COLD. LOWS AROUND 7. HIGHS IN THE LOWER 30S. WEST WINDS AROUND 8 MPH WITH GUSTS TO 25 MPH. .FRIDAY...PARTLY CLOUDY. SLIGHT CHANCE OF SNOW UNTIL 1800. NOT AS COOL. LOWS IN THE LOWER 20S. HIGHS IN THE UPPER 40S. WEST WINDS AROUND 10 MPH WITH GUSTS TO 20 MPH. .SATURDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW AFTER 1800. LOWS IN THE MID 20S. HIGHS IN THE UPPER 40S. WEST WINDS AROUND 9 MPH WITH GUSTS TO 20 MPH. .SUNDAY...MOSTLY CLOUDY. SLIGHT CHANCE OF SNOW. COLDER. LOWS AROUND 18. HIGHS IN THE MID 30S. NORTHWEST WINDS AROUND 5 MPH. FIRE WEATHER TABLE FOR HALL PA4 UNIT 5 STAND 3. +++ DATA IN THE FOLLOWING TABLE HAS BEEN SAMPLED DIRECTLY FROM THE FORECAST DATABASE. VALUES IN THE TABLE MAY VARY SLIGHTLY FROM INFORMATION IN THE NARRATIVE FORECAST. PLEASE PROVIDE FEEDBACK IF THE INFORMATION IN THIS TABLE HAS BEEN REPRESENTATIVE AND/OR USEFUL. +++ FORECAST SC PP TF RH 20FT G H L 10K MIXG TRAN VENTL AJTV VALID AT % % F % WIND S I A WIND HGT WIND RATE RATNG MPH T L MPH AGL MPH KT-FT 01/31-15 100 100 5 100 NE 7 1 833 E 5 3630 P 01/31-16 100 100 4 100 NE 6 1 805 E 6 3944 P 01/31-17 99 81 3 100 NE 6 6 2 1 W29 778 E 6 4258 P 01/31-18 99 81 2 100 NE 5 1 792 NE 6 3600 P 01/31-19 99 81 1 100 NE 3 1 807 NE 5 2941 P 01/31-20 99 81 0 100 N 3 3 2 1 W33 821 NE 3 2283 P 01/31-21 99 81 -1 100 NE 3 1 859 NE 3 2760 P 01/31-22 99 81 -2 100 NE 5 1 897 NE 5 3238 P 01/31-23 100 68 -3 100 NE 6 6 2 1 W35 935 NE 5 3716 P 02/01-00 100 68 -4 100 NE 6 1 908 NE 5 3826 P 02/01-01 100 68 -4 100 NE 6 1 881 NE 5 3935 P 02/01-02 95 68 -4 95 NE 6 6 2 1 W31 855 NE 6 4045 P 02/01-03 95 68 -5 95 NE 6 1 886 NE 6 3984 P 02/01-04 95 68 -6 100 NE 5 1 917 NE 5 3922 P 02/01-05 95 51 -7 100 NE 5 5 2 1 W28 948 NE 5 3861 P 02/01-06 95 51 -9 100 NE 5 1 954 NE 5 4076 P 02/01-07 95 51 -10 100 NE 6 1 960 NE 5 4291 P 02/01-08 96 51 -11 100 NE 7 7 2 1 W23 966 NE 6 4506 P 02/01-09 96 51 -11 100 NE 8 1 1656 NE 6 7324 P 02/01-10 96 51 -10 100 NE 9 1 2346 NE 5 10143 P 02/01-11 89 46 -9 100 NE 9 15 2 1 W17 3036 NE 5 12961 P 02/01-12 89 46 -7 100 NE 9 1 3208 NE 5 12105 P 02/01-13 89 46 -6 100 NE 8 1 3380 NE 3 11249 P 02/01-14 85 46 -4 94 NE 8 13 2 1 SW16 3552 NE 3 10393 P 02/01-15 85 46 -3 86 NE 8 1 3625 NE 3 11883 P 02/01-16 85 46 -2 77 NE 7 1 3698 NE 5 13373 P 02/01-17 75 30 -1 69 NE 7 7 2 1 SW12 3772 NE 5 14863 P 02/01-18 75 30 -8 91 NE 7 1 2882 NE 5 11760 P 02/01-19 75 30 -10 94 NE 6 1 1992 E 6 8658 P 02/01-20 75 30 -12 95 E 6 6 2 1 S 8 1102 E 6 5556 P 02/01-21 75 30 -13 97 E 5 1 1013 E 5 4569 P 02/01-22 75 30 -15 97 E 5 1 924 E 5 3581 P 02/01-23 69 0 -16 97 E 3 3 2 1 SW 9 835 E 3 2594 P 02/02-00 69 0 -17 98 SE 3 1 770 SE 3 2411 P 02/02-01 69 0 -18 99 S 3 1 705 S 3 2228 P 02/02-02 69 0 -18 99 SW 3 3 2 1 SW12 640 S 3 2046 P 02/02-03 69 0 -18 96 W 5 1 532 SW 5 1854 P 02/02-04 69 0 -19 94 W 7 1 424 W 5 1662 P 02/02-05 34 0 -19 94 W 8 13 2 1 W17 316 W 6 1471 P 02/02-06 34 0 -18 100 W 7 1 633 W 5 1999 P 02/02-07 34 0 -17 100 W 6 1 951 SW 3 2527 P 02/02-08 34 0 -13 97 W 5 5 2 1 W15 1268 SW 2 3055 P 02/02-09 34 0 -8 83 SW 3 1 1804 SW 2 2656 P 02/02-10 34 0 -4 73 S 3 1 2341 CALM 2257 P 02/02-11 24 0 0 62 SE 3 3 2 1 SW13 2878 CALM 1858 P 02/02-12 24 0 3 53 SE 3 1 3074 NW 2 6548 P 02/02-13 24 0 5 47 SE 3 1 3271 NW 3 11238 P 02/02-14 24 0 6 44 SE 3 3 2 1 SW 9 3468 N 6 15928 P 02/02-15 24 0 6 44 SE 2 1 3187 N 6 15811 P 02/02-16 24 0 5 45 CALM 1 2906 N 6 15694 P 02/02-17 27 0 5 47 CALM 1 2 1 SW 7 2626 N 7 15577 P 02/02-18 27 0 4 50 CALM 1 2194 NW 6 11994 P 02/02-19 27 0 3 54 W 2 1 1762 NW 5 8412 P 02/02-20 27 0 2 58 W 3 3 2 1 W 5 1330 NW 5 4829 P 02/02-21 27 0 1 64 W 5 1 1031 NW 5 3918 P 02/02-22 27 0 1 69 W 6 1 732 W 5 3007 P 02/02-23 27 0 0 73 W 7 7 2 1 SE 3 433 W 6 2096 P 02/03-00 27 0 -1 76 W 8 1 363 W 7 1992 P 02/03-01 27 0 -1 76 W 9 1 293 W 8 1887 P 02/03-02 27 0 -1 76 W 10 16 2 1 E 9 223 W 9 1782 P 02/03-03 27 0 -1 75 W 13 1 206 W 10 1833 P 02/03-04 27 0 -1 74 W 14 1 189 W 12 1884 P 02/03-05 49 0 -1 75 W 15 24 3 1 NE33 172 W 13 1936 P 02/03-06 49 0 -1 77 W 15 1 209 W 12 2088 P 02/03-07 49 0 2 70 W 14 1 246 W 10 2240 P 02/03-08 49 0 7 60 W 12 18 4 1 NE59 283 W 9 2392 P 02/03-09 49 0 13 50 W 8 1 1073 NW 13 14852 P 02/03-10 49 0 18 43 W 5 1 1862 N 15 27312 P 02/03-11 59 0 23 38 W 2 2 4 1 NE56 2652 N 17 39772 P 02/03-12 59 0 27 35 CALM 1 3257 N 20 58046 F 02/03-13 59 0 30 34 CALM 1 3861 N 22 76321 G 02/03-14 59 0 31 35 NW 2 2 2 1 NE53 4465 N 24 94595 G 02/03-15 59 0 31 38 NW 3 1 4071 N 25 88660 G 02/03-16 59 0 30 43 NW 6 1 3676 N 26 82725 G 02/03-17 75 13 30 47 N 7 7 2 1 N47 3281 N 26 76790 G KEY: FORECAST - MONTH/DAY-HOUR OF FORECAST /24-HOUR CLOCK LOCAL TIME/ VALID AT SC - SKY COVER /PERCENT/ PP - PROBABILITY OF PRECIPITATION /PERCENT/ TF - TEMPERATURE /DEGREES F/ RH - RELATIVE HUMIDITY /PERCENT/ 20FT WIND - 20-FOOT WIND /MPH/ GST - 20-FOOT WIND GUST /MPH/ HI - HAINES INDEX LAL - LIGHTNING ACTIVITY LEVEL 10K WIND - 10000 FEET ABOVE GROUND LEVEL FREE-AIR WINDS /MPH/ MIXG HGT - MIXING HEIGHT /FEET ABOVE GROUND LEVEL/ TRAN WIND - TRANSPORT WINDS /MPH/ VENTL RATE - VENTILATION RATE /KNOT-FEET/ AJTV RATNG - SMOKE DISPERSION ADJECTIVE RATING P - POOR F - FAIR G - GOOD V - VERY GOOD E - EXCELLENT $$ DANKERS...WFO BOULDER REQUESTED BY...J. STALNACKER REASON FOR REQUEST...PRESCRIBED .TAG 20110131.HALLP.02/BOU